/usr/bin/devlink: unrecognized option '--help' Unknown option. Usage: devlink [ OPTIONS ] OBJECT { COMMAND | help } devlink [ -f[orce] ] -b[atch] filename -N[etns] netnsname where OBJECT := { dev | port | lc | sb | monitor | dpipe | resource | region | health | trap } OPTIONS := { -V[ersion] | -n[o-nice-names] | -j[son] | -p[retty] | -v[erbose] -s[tatistics] -[he]x }